Abstract: A freight tracking system having sufficient accuracy for most commercial freight hauling purposes is disclosed. The system includes a mobile telephone transmitter located in the freight or in the vehicle hauling the freight that automatically calls a telephone at the central reporting station. A caller reception unit detects the calling number and current visited base station information without answering the call and supplies it to a computer at the central reporting station which then determines the location of the shipment.

Abstract: The present invention provides a method to improve the operational efficiency of a collaborative drayage community. According to the present invention, multiple independent (even competitive) participants in a collaborative drayage community provide resource data about the drayage resources under the participants' control. A collaborative drayage community participant having a drayage need for drayage resources may access these resource data, and drayage resources fulfilling the drayage need (based on a comparison of needed resource data to offered resource data) are determined. The drayage participant having the drayage need may then reserve one of the offered drayage resources fulfilling the drayage need. The present invention also provides a system for administering a collaborative drayage community where drayage resource data are stored in the system, and are accessible to drayage participants having a drayage needs via a network, such as the Internet.

Abstract: A freight tracking system having sufficient accuracy for most commercial freight hauling purposes is disclosed. The system includes a mobile telephone transmitter located in the freight or in the vehicle hauling the freight that automatically calls a telephone at the central reporting station. A caller reception unit detects the calling number and current visited base station information without answering the call and supplies it to a computer at the central reporting station which then determines the location of the shipment.

Abstract: A system for securely providing restricted display information having an encoder-transmitter for transmitting selected update data using information identification codes as enabling reception keys and a plurality of uniquely identified decoder-receivers for receiving the update data for display on a video screen. Authorized decoders are provided with enable reception keys so that subsequently transmitted data having an information identification code matching a reception key at a decoder-receiver may be received for subsequent display on the video screen. Symbolic signaling is used so that enabling a decoder-receiver with a reception key also provides display coordinate information for displaying the update data in the proper relative display location for the video screen of that enabled decoder, so that the update data subsequently transmitted is displayed using that display coordinate information.

Abstract: A system for securely providing restricted information having an encoder for transmitting selected update data with respective keys and a plurality of uniquely identified decoders for receiving said update data. When saidd decoder matches the key sent with said update, said decoder receives the update data and appropriately positions said update data in respective pages in a store for subsequent viewing on a video display.

Abstract: A television transmission system capable of transmitting and receiving a high-resolution television signal having a wider than standard aspect ratio, which high-resolution television signal is, in part, compatible with standard television receivers. In an NTSC format, the high-resolution television signal has an active bandwidth of 14.0 MHz and includes picture frames having 657 scanning lines and a 51/3:3 aspect ratio. This high-resolution television signal is converted into two transmission signals, a first of which being compatible with standard television receivers and including a center low-frequency portion of said high-resolution television picture frame, the number of lines therein having been converted to 525 lines, and a second of which including the remaining information in said high-resolution television signal.

Abstract: A television transmission system capable of transmitting and receiving a high-resolution television signal having a wider than standard aspect ratio, which high-resolution television signal is, in part, compatible with standard television receivers. In an NTSC format, the high-resolution television signal has an active bandwidth of 14.0 MHz and includes picture frames having 657 scanning lines and a 51/3:3 aspect ratio. This high-resolution television signal is converted into two transmission signals, a first of which being compatible with standard television receivers and including a center low-frequency portion of said high-resolution television picture frame, the number of lines therein having been converted to 525 lines, and a second of which including the remaining information in said high-resolution television signal.

Abstract: A method for reducing the scanning line visiblity in the display of a color projection television receiver in which the rasters of scanning lines for the separate color signals are deconverged by vertically shifting the scanning line raster of each color signal with respect to the other color signal. Each projected line of the respective color signals is then derived by a weighted interpolation between two succeeding lines in the incoming television signal, in which the contribution of a first incoming line with respect to a second incoming line is dependent on the amount by which the respective line in the raster of the relevant color signal is vertically shifted. The amounts of vertical shifting of the respective rasters is cyclically rotated between the respective rasters once every picture frame.

Abstract: A television system capable of generating a high-resolution television signal having a wider than standard aspect ratio and which is compatible with standard television receivers. In an NTSC format, the high-resolution television signal includes picture frames having a 51/3:3 aspect ratio, 787 scanning lines and 3-90 Hz fields. This television signal is converted into two transmission signals, a first of which being compatible with standard television receivers and including, in a first field, the sum-average of the information from two of the high-resolution television signal fields and, in a second field, information from the remaining high-resolution television field, while the second of which includes the remaining information in the high-resolution television signal.

Abstract: An absolute differentiator receives a self-clocking digital input signal, and its output is applied to a series of delay elements. The outputs of the differentiator and the delay elements are coupled to an OR-gate. The output of the OR-gate is applied to a phase-locked loop to produce a recovered clock signal. The delay elements can be variable with a delay controlled by an output signal from the phase-locked loop, to thereby track a varying center frequency of the digital input signal.